Ulman Michael
Ultramafic Technology Inc.
Ulysses V. Henderson Jr.
Um Taesung
Umantsev Eric Loguinovitch
Umhoefer Robert R.
Unger Klaus
Union Showa K.k.
Unique Energy Systems Inc.
United Carbon Products Co.
Unither Developpement
Universidad de Santiago de Compostela
Universidade Federal de Sao Carlos
Universite Claude Bernard - Lyon I.
University Of Kentucky Research Foundation Inc.
Uno Denzo
Unum Arnfinn
Upadhye Ravindra S.
Upatnieks Guntars I.
Uralsky Nauchno-Issledovatelsky Khimichesky Institut S. Opytnym